From: Denny Esterline <desterline@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Tue, 14 Sep 2021 13:48:20 -0700
Subject: Re: [EE] Oscilloscope help, Siglent, Rigol, etc
Thread-Topic: [EE] Oscilloscope help, Siglent, Rigol, etc
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No, I'll stick with this:  For hobbyist level work, I think either would
serve well.

-Denny


On Tue, Sep 14, 2021 at 1:25 PM DrSkip <drskip@gmail.com> wrote:

> OOPS! He sent me several links and I must have copied a wrong one for
> the scopes.
>
> It should be the Rigol 1054Z
> https://smile.amazon.com/gp/product/B012938E76
>
> and the other a Siglent SDS1104X-E
> https://smile.amazon.com/gp/product/B0771N1ZF9
>
> His budget is or was under $400 or close to it, but I think the reviews
> on the Siglent make it a contender. I have yet to find a sheet of feeds
> and speeds on each that I can lay down side by side and compare, so
> hoping for direct user feedback or at least winnowing of the fluff.
>
> I don't think the Rigol has 16 channels - that was my mistake in the
> link. I can't find it listed anywhere for that scope.
>
> If it were me, I think I would try the Siglent. But it's more gut-feel
> from what little I read and not something I would try to defend or
> present in a meeting of peers, or to someone trusting me...  Also,
> software hacks for upgrades can be reversed with future software
> upgrades so that might be shaky to count on. Just my opinion.
>
> Without the logic analyzer mistake on my part, would your opinion change?
>
>
>
> On 9/14/21 3:37 PM, Denny Esterline wrote:
> > One of your links leads to a 13$ USB logic analyzer (Salae clone)
> >
> > Professionally, I purchased a Rigol MSO1104Z-S with all the decoder
> options
> > and logic probes. About $2k in 2017.
> > For my home bench I bought the Siglent SDS1202X-E (under $400)
> >
> > I don't have any real complaints about either of them. I think the
> Siglent
> > has a nicer screen, but I often find the layers of menus frustrating to
> dig
> > through. Obviously the Rigol's four analog channels and 16 logic analyz=
er
> > channels come in handy for certain types of work.
> >
> > The Rigol's are well known to be able to "hack" and activate the option=
s
> > (options on these are a license code) I didn't do that
> > professionally because I needed traceable calibration and support, but
> > wouldn't have thought twice about it for a home lab.
> >
> > Either one of them can do protocol decoding with the analog channels, t=
he
> > Rigol can also do it with the logic analyzer channels.
> >
> > I like the Rigol better, but given the price disparity...
> >
> > For hobbyist level work, I think either would serve well.
> >
> > -Denny
> >
> >
> > On Mon, Sep 13, 2021 at 5:18 PM DrSkip <drskip@gmail.com> wrote:
> >
> >> Greetings,
> >>
> >> I need some help to pass on, and also to bring myself out of the Dark
> >> Ages. A friend recently asked me for a scope recommendation. He is
> >> looking at a Rigol or a Siglent. I have a dusty Tek 475A analog scope
> >> that weighs maybe 50 lbs, so I am not qualified to answer, but I do kn=
ow
> >> folks to ask... ;)
> >>
> >> The models are:
> >>
> >> https://smile.amazon.com/gp/product/B0771N1ZF9
> >>
> >> or
> >>
> >> https://www.amazon.com/gp/product/B077LSG5P2  with such 'free' addons
> >> as: MSO/DS1000Z AT-DS1000Z - Advanced Triggering Option MEM-DS1000Z -
> >> Memory Depth Upgrade REC-DS1000Z - Real Time Waveform Record and Relay
> >> Option SA-DS1000Z - Serial Bus Analysis...
> >>
> >> This is for personal use, he tinkers with microcontrollers and Arduino=
,
> >> Pi's, Ham Radio, and all the common popular maker topics I suppose. To
> >> that level he knows how to get around. I know that these have two
> >> different bandwidth specs, but I think that doesn't matter much for
> >> these activities (am I correct? ). I think being able to do bus
> >> analysis, spectral analysis, link to a pc, and so on is really cool - =
IF
> >> they really do that and it isn't marketing fluff. Is there some
> >> feature(s) that dwarfs overall bandwidth as being important in the
> >> digital world?
> >>
> >> Given that each company uses it's own marketing-speak, I can't even do=
 a
> >> good comparison for him. Also, how do the implementations of similar
> >> functions compare? Which company is better? Which device does basic
> >> scope functions better? I list the Rigol options for example - they
> >> 'say' little on their own.
> >>
> >> I suggested he stick with 4 channel ones. I assume the bus analysis
> >> would need at least that. Beyond that, I can't tell what he gets with
> >> one or loses with the other, OR what is honest versus salesmanship...
> >>
> >> Has anyone compared these? How are they? Reliability? Accuracy? Any
> >> killer function one has that the other doesn't for micro type work? Is
> >> one a true superset of ability over the other, or is it a list of
> >> tradeoffs? If so, what are the tradeoffs, one versus the other? I'm al=
so
> >> going to assume that any upgrade hacks one can find on the net don't
> >> work by now, so it's just going to be as it comes.
> >>
> >> I don't even know if you have to upgrade the firmware on these things =
or
> >> if that's even a good idea. Ideas on that too?
> >>
> >> Thanks in advance for all long and lengthy educational and opinion
> >> pieces, and/or reliable links. ;)  I'm not gonna sell or give him my
> >> 475A (deluxe model with attached DVM)  so he has to buy his own. ;)
> >>
> >>
> >> -Dr Skip
> >>
> >>
> >>
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